MS-57 Pyrheliometer

ISO 9060:2018 Class A
Spectrally Flat & Fast Response

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Features

ISO 9060:2018 Class A, Spectrally Flat & Fast Response
<0.2s Ultra-fast response for always accurate measurements
Unique <0.5% non-stability change of 5-years
Operating temperature range from -40 to +80°C
Integrated anti-frost & dew window heater
Efficient, low power consumption
5 Year Warranty & Recommended Recalibration Interval

MS-57 Pyrheliometer

ISO 9060:2018 Class A
Spectrally Flat & Fast Response

Ultra-fast and incredibly accurate, the Class A MS-57 is a unique DNI sensor fully traceable to the World Radiometric Reference with competition-beating long-term stability and exceptional reliability.

Qty

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Features

ISO 9060:2018 Class A, Spectrally Flat & Fast Response
<0.2s Ultra-fast response for always accurate measurements
Unique <0.5% non-stability change of 5-years
Operating temperature range from -40 to +80°C
Integrated anti-frost & dew window heater
Efficient, low power consumption
5 Year Warranty & Recommended Recalibration Interval

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Overview

Ultra-fast and incredibly accurate, with competition-beating long-term stability and exceptional reliability; the ISO 9060:2018 Class A MS-57 Pyrheliometer is a unique, second-to-none, direct normal incidence (DNI) solar irradiance sensor fully traceable to the World Radiometric Reference.

Designed for solar energy research, monitoring, and meteorological applications and built to weather extreme conditions, the MS-57 features an operating temperature range from -40 to +80°C and comes with an integrated low power heater to prevent dew and frost deposition on the outside window.

Made in Japan, our design and commitment to quality ensure that the MS-57 is best in class, and for every application.

Specifications

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Attribute	MS-57
ISO 9060:2018	Class A
Response time 95%	< 0.2 Sec
Zero offset A - Thermal Radiation (200W/m²)	0 W/m²
Zero offset B - Temperature Change (5K/hr)	± 1W/m²
Zero offset C - Total zero off-set	± 1W/m²
Non-stability (change/year)	< 0.5%/5 years
Non-linearity (at 1000W/m²)	± 0.2%
Spectral Error	± 0.2%
Temperature Response (-20°C to 50°C)	± 0.5%
Tilt Response (0-90° \| 1000W/m²)	± 0.2%
Technical Features
Wavelength Range (nm)	200 to 4000 (50% points)
Irradiance range (W/m²)	0 to 4000
Sensitivity (μV/W/m²)	Approx. 7
Signal Output	Analog
Impedance (Ω)	< 15000
Operating temperature	-40 to 80°C
Ingress Protection	IP 67
Standard Cable Length	10m (Optional lengths 20m, 30m, 50m)
Window Heater Power Requirement	DC 12V / 0.5W
Temperature Sensors	PT-100 Class A, Thermistor 44031 10kΩ

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Recalibration Service

EKO Instruments offers ISO/IEC 17025 Accredited Pyranometer, Pyrheliometer & Viscometer recalibration from our accredited global calibration laboratory in Tokyo, Japan.

Submit your recalibration request using our online form, or contact your local EKO office to find out more.

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